Kamarajah, S. K. https://orcid.org/0000-0002-2748-0011
Article History
Received: 15 November 2017
Accepted: 4 January 2018
First Online: 15 January 2018
Compliance with ethical standards
:
: The author declare that he has no conflict of interest.
: This study used an American Cancer registry (SEER) involving human participants and were in accordance with the ethical standards of the institution.
: For this type of study, formal consent is not required.